package com.example.demo.mapper;

import com.example.demo.model.ArticleInfo;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;
@Mapper
public interface ArticleMapper {
    @Select("select ta.*,  tb.username ,tb.age from articleinfo ta " +
            " left join userinfo tb on ta.uid = tb.id where ta.id= #{articleId}")
    ArticleInfo queryArticleInfo(Integer articleId);
}
